What is 2.1e-10 in standard form

4. y = x - 8 y = - x A. Neither B. Perpendicular C. Parallel

Is 6 to the third power an irrational number

What is the quotient of a number and five increased by four is sixteen.

Kylo bought pizza for 12.75 and four medium drinks at Pauli's Pizza. Define a variable and write an expression to represent the total amount of money he spent. Hope you answer.

What is [ (20:10) + 9]*3=

Angelina spend $50 on 16 packages of cookies for her club members. sugar cookies cost $2.50 per package and chocolate chip cookies cost $3.50 per package. how many packages of each cookie does Angelina buy?

What are solutions to the equation below x^2 + 3x-18=0

A circle's diameter is 22 inches. What is the circle's circumference

You grew 3.8 inches since last year. If you are 61.2 inches tall now, how tall were you a year ago? Write and solve an equation.

A square and rectangle have the same perimeter. The rectangle is 13 cm long and 7 cm wide What is the length of a side of the square